/**
 *    Copyright 2009-2015 the original author or authors.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
package org.apache.ibatis.annotations;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

import org.apache.ibatis.type.JdbcType;
import org.apache.ibatis.type.TypeHandler;
import org.apache.ibatis.type.UnknownTypeHandler;

/**
 * 在列和属性或字段之间的单独结果映射
 * 
 * @author Clinton Begin
 */
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface Result {
	/**
	 * 是否为id
	 * 
	 * @return
	 */
	boolean id() default false;

	/**
	 * 列
	 * 
	 * @return
	 */
	String column() default "";

	/**
	 * 属性
	 * 
	 * @return
	 */
	String property() default "";

	/**
	 * java类型
	 * 
	 * @return
	 */
	Class<?> javaType() default void.class;

	/**
	 * jdbc类型
	 * 
	 * @return
	 */
	JdbcType jdbcType() default JdbcType.UNDEFINED;

	/**
	 * 类型处理器
	 * 
	 * @return
	 */
	Class<? extends TypeHandler<?>> typeHandler() default UnknownTypeHandler.class;

	/**
	 * 单独的联系，和<association>相似
	 * 
	 * @return
	 */
	One one() default @One;

	/**
	 * 对集合而言的，和<collection>相似
	 * 
	 * @return
	 */
	Many many() default @Many;
}
